Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.
Fitment checkOEM number, engine model, and machine model confirmation.
Manual quotePrice, MOQ, stock, lead time, and replacement options.
Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
This is a brand new, high-performance cylinder head assembly designed for the Cummins platform. Specifically identified by the part number 3411809, this component is a critical element for engine rebuilds and overhauls in heavy-duty applications. The cylinder head is engineered for the NT855’s 14-liter displacement, operating within a power range of 231 to 407 kW.
While commonly utilized in dumpers and mining trucks, this cylinder head’s robust design makes it suitable for a variety of demanding environments, including marine vessels and generator sets. It is manufactured to meet stringent OEM specifications, ensuring a reliable seal and optimal combustion chamber performance. Please verify your existing engine model and serial number to confirm compatibility before installation.
Key Features & Benefits
Precision Engineering: Manufactured to match the exact specifications of the NT855 engine, ensuring a perfect fit and reliable performance for your 14L diesel engine.
Durable Construction: Cast from high-strength alloy iron to withstand the extreme pressures and temperatures of heavy-duty diesel combustion.
4-Valve Design: Features a 4-valve per cylinder configuration (In-line/6-Cylinder/4-Stroke) for improved airflow, fuel efficiency, and power output.
Direct Replacement: Designed as a direct bolt-on replacement for part number 3411809, minimizing downtime during engine overhaul or repair.
Comprehensive Warranty: Backed by a minimum one-year warranty, providing peace of mind for your capital investment.
Secure Packaging: Shipped in a robust wooden case to prevent damage during international transit, ensuring the part arrives in perfect condition.
Technical Specifications
Specification
Detail
Part Number
3411809
Engine Model
NT855
Type
In-line / 6-Cylinder / 4-Stroke / 4-Valve
Displacement
14L
Power Range
231 – 407 kW
Bore x Stroke
140 x 152 mm
Weight
30 kg
Condition
New
Application
Dumper, Marine, Generator, Mining
Warranty
One Year (Minimum)
Packaging
Wooden Case
OEM Cross-Reference
This cylinder head is a direct replacement for the following OEM part numbers. It is critical to cross-reference your specific engine serial number to ensure correct fitment.
Primary Part Number: 3411809
Note: This part is often used interchangeably with other NT855 cylinder head variants. Please provide your engine serial number for the most accurate cross-reference.
Compatibility
This cylinder head is specifically designed for the Cummins NT855 diesel engine platform. It is commonly used for the following applications:
Engine Models: NT855
Equipment Applications: Dump Trucks, Mining Haul Trucks, Marine Propulsion Engines, Generator Sets, and Industrial Construction Equipment.
Fitment is inferred based on the engine model. Always verify compatibility with your specific engine serial number and equipment manufacturer before purchasing.
Global Supply & Distribution
We offer worldwide shipping capabilities, ensuring fast and reliable delivery to major ports and industrial centers across the globe. Our major markets include:
North America: USA, Canada, Mexico
Europe: Germany, UK, Netherlands, Norway, Russia
Asia-Pacific: Australia, Indonesia, Singapore, India
Middle East & Africa: UAE, Saudi Arabia, South Africa
South America: Chile, Brazil, Peru
With extensive export experience and a focus on international trade compliance, we ensure your order is processed efficiently and delivered on time, regardless of your location.
Quality Assurance
This cylinder head is manufactured in a certified facility in Chongqing, China, adhering to strict international quality standards. Our quality control process ensures that every component meets or exceeds OEM specifications.
Manufacturing Standards: ISO 9001 certified production processes.
Testing: Each unit undergoes rigorous pressure testing and dimensional inspection before shipment.
Warranty: We provide a minimum one-year warranty against manufacturing defects, ensuring long-term reliability and performance.
FAQ
Q: Is this cylinder head a direct fit for my Cummins NT855 engine? A: This cylinder head is designed for the NT855 engine platform. However, due to variations in engine serial numbers and specific configurations (e.g., marine vs. industrial), we strongly recommend verifying the part number 3411809 against your engine’s original head or consulting your engine manual to ensure a direct fit.
Q: What is the recommended installation procedure for this cylinder head? A: Installation requires mechanical expertise. You must use a new head gasket, ensure the cylinder block deck is clean and flat, and follow the manufacturer’s torque sequence and specifications for the head bolts. We recommend consulting the official Cummins NT855 service manual for detailed procedures and torque values.
Q: Does this cylinder head come with valves, springs, or other internal components? A: This listing is for the bare cylinder head casting (part 3411809) unless otherwise specified in the listing title. Valves, springs, seals, and other valvetrain components are typically sold separately. Please check the product description or contact us to confirm if this is a complete or bare head.
Inquiry Form
Send Inquiry
Leave your email and phone / WhatsApp so sales can follow up directly.